Controversial Bird-Flu Research to Resume

By

Christopher Weaver

Updated Jan. 23, 2013 2:11 p.m. ET

Flu researchers said Wednesday that they would call off a yearlong moratorium and resume controversial work on deadly strains of avian influenza that sparked debate over the value of conducting—and publishing—such research.

Though U.S. officials are still grappling with rules for such experiments, the researchers said they would continue their work "because the risk exists in nature" that avian flu could become transmissible...